Add Watermark to PDF and Encrypt PDF for Windows For Free

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Every PDF tool you need to get documents
done paper-free

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Create & edit PDFs

Generate new PDFs from scratch or transform existing documents into reusable templates. Type anywhere on a PDF, rewrite original PDF content, insert images or graphics, redact sensitive details, and highlight important information using an intuitive online editor.
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Fill out & sign PDF forms

Say goodbye to error-prone manual hassles. Complete any PDF document electronically – even while on the go. Pre-fill multiple PDFs simultaneously or extract responses from completed forms with ease.
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Organize & convert PDFs

Add, remove, or rearrange pages inside your PDFs in seconds. Create new documents by merging or splitting PDFs. Instantly convert edited files to various formats when you download or export them.
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Collect data and approvals

Transform static documents into interactive fillable forms by dragging and dropping various types of fillable fields on your PDFs. Publish these forms on websites or share them via a direct link to capture data, collect signatures, and request payments.
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Export documents with ease

Share, email, print, fax, or download edited documents in just a few clicks. Quickly export and import documents from popular cloud storage services like Google Drive, Box, and Dropbox.
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Store documents safely

Store an unlimited number of documents and templates securely in the cloud and access them from any location or device. Add an extra level of protection to documents by locking them with a password, placing them in encrypted folders, or requesting user authentication.

Customer trust by the numbers

64M+
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average user rating
4M
PDFs edited per month
9 min
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Cloud-native PDF editor

Access powerful PDF tools, as well as your documents and templates, from anywhere. No installation needed.

Top-rated for ease of use

Create, edit, and fill out PDF documents faster with an intuitive UI that only takes minutes to master.

Industry-leading customer service

Enjoy peace of mind with an award-winning customer support team always within reach.

What our customers say about pdfFiller

See for yourself by reading reviews on the most popular resources:
I signed up for a year. Now simple edit tool to use erase etc expects me to pay more and doesn't allow those tools. That, IMO is a bit too unfriendly. Allowing me to use for some time and then asking to pay for extended period of time would make sense to me as I would see a value in buying these additional editing tools/
Bhadresh T
2015-06-16
Excellent experience! It's fantastic. Ir brought me the beso solution to correct mistakes in pdf documents. Really useful tool!! I will recommend ir to my friends.
Alcira S
2017-05-04
What do you like best?
The support team is very helpful and responds quickly.
What do you dislike?
The product was excellent our company is too small to make proper use of their services. I would have appreciated being able to purchase the service to use on an as-need basis.
What problems are you solving with the product? What benefits have you realized?
This product allowed me to make pdf forms that could be filled out online/electronically rather than printed, manually filled out and scanned.
Administrator in Farming
2020-01-17
Negates deciphering handwriting When filling out or reading an application or some other such document, it is hard to manage legibility. The ability to type directly into the fields of a PDF is a valuable option to avoid that. I wish you didn't have to create an account to use it. It would be better in my opinion if you could use the software with out having to do that.
Stacie V.
2018-11-30
An all in one PDF app for your files One of the most complete and useful tool to work with your pdf files. The amount of options to edit and do things with your PDF files is just amazing, for example in the editor feature you can add text, modify tables, add checkmarks, search and replace, edit text, makes notes and so on, and like this there are a lot of options for your file, like the possibility of add a personal sign, or insert and image, or make a password, this a really amazing app for your PDF fIles. I really do not have any complain about this app, because it comes with all the tools that you need to work with your PDF files, even the free version as powerful as the pay one.
Cesar S.
2018-04-06
We no longer had use for product as we… We no longer had use for product as we are a small Not for Profit Organisation and they canceled our subscription that was automatically renewed and refunded the $'a that was charged. This happened without any issues and thanks to pdFiller for their understanding
Bernie Foley
2024-10-30
All trials have been very satisfactory. It has been easy to learn the use of the various features. Especially the relatively small size of the ready documents is appreciated.
Gottfried D
2022-02-01
Good Experience I had a free trial with pdfFiller and while the product didn't fit all of my needs the support was very responsive and helpful. It was a good experience all around.
John
2021-07-22
Their customer service is great! Joyce helped me out and was super helpful and considerate! Best customer service experience I’ve had. Thanks for the quick response!
Sarah B.
2020-05-03

Add Watermark to PDF and Encrypt PDF for Windows

Protect your documents with our Add Watermark to PDF and Encrypt PDF features for Windows. These tools help you secure your valuable files while maintaining their professional appearance.

Key Features

Easily add custom watermarks to your PDFs
Encrypt documents with strong passwords
Remove sensitive data permanently
Batch processing for multiple files
User-friendly interface

Potential Use Cases and Benefits

Prevent unauthorized sharing of sensitive information
Promote your brand with personalized watermarks
Ensure confidentiality in legal or business documents
Streamline document management with batch processing
Enhance document trustworthiness through encryption

With our tools, you can tackle the challenge of document security head-on. Whether you are protecting business proposals, legal contracts, or personal files, adding a watermark and encrypting your PDFs keeps your content secure and visually appealing. You gain peace of mind, knowing that your documents are safe from prying eyes.

Get documents done
from anywhere

Create, edit, and share PDFs even on the go. The pdfFiller app equips you with every tool you need to manage documents on your mobile device. Try it now on iOS or Android!

For pdfFiller’s FAQs

Below is a list of the most common customer questions. If you can’t find an answer to your question, please don’t hesitate to reach out to us.
What if I have more questions?
Contact Support
Step 1: Select your PDF document. Step 2: Add Text Watermark. Click the Add Text button at the top of the PDF page. Step 3: Change text size, rotation and location on page. Step 4: Change text color, transparency and font family.
Open the PDF and choose Tools > Protect > Encrypt > Encrypt with Password. If you receive a prompt, click Yes to change the security. Select Require a Password to Open the Document, then type the password in the corresponding field.
Choose Tools > Protect > Encrypt > Remove Security. Remove Security: The options vary depending on the type of password security attached to the document. If the document has a Document Open password, click OK to remove it from the document.
Open the PDF and choose Tools > Protection > Encrypt > Encrypt with Password 6. If you receive a prompt, click Yes to change the security. 7. Select Require A Password To Open The Document, then type the password in the corresponding field.
Step 1: Run PDF Watermark Tool and add PDF files to watermark. Step 2: Enter text to insert as watermark. Step 3: Select a new location to save the PDF file. Step 4: Click on add watermark to PDF file.

How to Add Watermark to PDF and Encrypt PDF for Windows - video instructions

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